This is the rare Kemur Man figure from the Ultra Q Monster Series line (#139) released by Bandai in 2000.
This is not to be confused with the more common Kemur Man #9 that was released in 2013 as part of the Ultra Kaiju 500 line. This version is similar but spprts blue paint (instead of purple).
The figure is 7.5" tall.
With original tag attached.
Kemur Man #139 (Bandai, 2000)
$39.00Price
Bandai